# OiO client vs Sugar

The clearest difference is in-app purchases: OiO client at none against Sugar's 14. Sugar's advantage is update cadence (every 2 weeks vs every 3 weeks) and iOS requirement (13 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Sugar sells 14 one-off in-app purchases. OiO client asks for nothing beyond the download.

OiO client ships an update every 3 weeks, Sugar every 2 weeks. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OiO client | Sugar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 277 MB | 141 MB |
| Requires iOS | 15.0 | **13** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [7 Hz Inc.](https://appshunter.io/developer/1588381704) | [Sugar AI Lab, Inc.](https://appshunter.io/developer/1809717769) |

## What reviewers say

### OiO client

[App page](https://appshunter.io/ios/app/oio-client/id6449966269)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sugar

[App page](https://appshunter.io/ios/app/sugar-author-approved-chatbot/id6744877922)

Engage in authentic conversations with beloved manga characters, their dialogue meticulously approved by original creators. Unlock secret storylines and exclusive content by remembering interactions and completing missions. Enjoy companionship anytime, anywhere with characters always ready to chat.

**Highlights:** Authentic character conversations, Creator-approved dialogue, Character memory system, Unlockable secret storylines, Exclusive card and quote rewards, Personal romance wall

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 枕頭 | $1.99 | one-time |
| 枕頭 | $3.99 | one-time |
| 世界和平月卡 | $5.99 | one-time |
| 枕頭 | $6.99 | one-time |
| 枕頭 | $8.99 | one-time |
| 枕頭 | $9.99 | one-time |
| 枕頭 | $12.99 | one-time |
| 枕頭 | $19.99 | one-time |
| 枕頭 | $22.99 | one-time |
| 枕頭 | $39.99 | one-time |
| 世界和平月卡 | $59.99 | one-time |
| 枕頭 | $59.99 | one-time |
| 枕頭 | $89.99 | one-time |
| 枕頭 | $134.99 | one-time |


## Frequently asked questions

### Is OiO client free?

OiO client is free to download, with no in-app purchases.

### Is Sugar free?

Sugar is free to download, with in-app purchases available.

### Do OiO client or Sugar have ads?

Neither OiO client nor Sugar shows ads.

### Which is updated more often, OiO client or Sugar?

OiO client ships an update every 3 weeks, and Sugar every 2 weeks. Most recently, OiO client was updated on October 8, 2026 and Sugar on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*